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旧 Oct 15th, 2012, 19:07     #1
Taotaoba
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默认 【编程】不安装驱动,Windows下如何访问USB口?

不知道这里多少人对硬件底层访问感兴趣。我想在某个USB口输出信号,是什么信号无所谓,只要有0,1变化就行。有没有什么简单的办法?

听惯风的温柔,听惯风的怒号,就连他自己的梦也容易忘掉。
=========
我现在最喜欢的歌
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旧 Oct 15th, 2012, 20:27   只看该作者   #2
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默认

应该无法直接从usb输出指令,但你可以自己设计一个usb设备,把指令翻译一下。
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Taotaoba (Oct 17th, 2012)
旧 Oct 16th, 2012, 00:47   只看该作者   #3
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默认

就是不想这么麻烦,需要一个USB接口的芯片,还要为它编写驱动程序。不过Windows下好像确实绕不过去。有什么现成的样板/演示电路可用吗?
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旧 Oct 16th, 2012, 11:22   只看该作者   #4
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默认

绕不过去Windows。这也就是为啥有Windows之后我不再写程序了。
或许试一下 USB to RS232 adaptor,驱动现成的。
从 COM 口写一点数据出去,可用的程序也是现成的。

http://pinouts.ru/Converters/usb_ser...r_pinout.shtml
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Taotaoba (Oct 16th, 2012)
旧 Oct 16th, 2012, 12:23   只看该作者   #5
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默认

Is this what you are looking for: http://msdn.microsoft.com/en-us/libr...=vs.85%29.aspx
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Taotaoba (Oct 16th, 2012)
旧 Oct 16th, 2012, 19:52   只看该作者   #6
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默认

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Is this what you are looking for: http://msdn.microsoft.com/en-us/libr...=vs.85%29.aspx
太复杂了!对不是专业搞这个的,感觉就是无底洞。还是省点心力,买半成品的开发板试试看。
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旧 Oct 16th, 2012, 21:16   只看该作者   #7
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默认

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太复杂了!对不是专业搞这个的,感觉就是无底洞。还是省点心力,买半成品的开发板试试看。
It's not that bad, you only need to write user mode code and http://msdn.microsoft.com/en-us/libr...=vs.85%29.aspx provides sample code. It's a deep rabbit hole only if you need to get your hands into kernel...
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旧 Oct 17th, 2012, 11:57   只看该作者   #8
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默认

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It's not that bad, you only need to write user mode code and http://msdn.microsoft.com/en-us/libr...=vs.85%29.aspx provi...
看上去很好的例子。非常感谢!
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旧 Oct 17th, 2012, 12:04   只看该作者   #9
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默认

usb访问是现成支持的,还需要你写什么驱动?
你不如去给你们家墙壁上的插座写个驱动,传送0、1什么的。

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旧 Oct 17th, 2012, 12:28   只看该作者   #10
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默认

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作者: 鲁莽电工 查看帖子
usb访问是现成支持的,还需要你写什么驱动?
你不如去给你们家墙壁上的插座写个驱动,传送0、1什么的。
真是想这么干呢。
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旧 Oct 17th, 2012, 15:21   只看该作者   #11
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默认

那个OSR USB FX2 Learning Kit (V2)要卖96刀,天杀的!
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旧 Oct 21st, 2012, 12:22   只看该作者   #12
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默认

啊哈!不动一兵一卒,问题解决了。

我要解决的问题是这样的: 每次用电脑时,要用手去开灯,用脚去开音箱。电脑用完后要再去关。开关位置不好找,感觉挺费事的。我想电脑开时自动把它们打开,不用的时候再自动关掉。

现在我找了一个废弃不用的USB鼠标(功能正常,就按钮接触不良,我相信现在99%的鼠标都是这样死的。),从里面引出两根线,加上一个继电器,成了!

没用写一个语句,有视频为证:

此帖于 Oct 21st, 2012 14:12 被 Taotaoba 编辑。
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